指不必要的忧虑。
第1个字是替的成语:替天行道
第2个字是古的成语:千古绝唱、借古喻今、吊古伤今、变古易常、援古刺今、陈古刺今
第3个字是人的成语:政通人和、甘居人后、靦颜人世、天从人原、杜绝人事、深得人心
第4个字是耽的成语:虎视耽耽
often used with negatives, e.g. no need to worry about past issues; to fret over the worries of long-departed people (idiom); to worry unnecessarily; crying over spilt milk